CN214734036U

CN214734036U - Hoisting device for borehole operation

Info

Publication number: CN214734036U
Application number: CN202120629932.8U
Authority: CN
Inventors: 陈立春; 黄心刚
Original assignee: Huaihua Chenzhou Electromechanical Co ltd
Current assignee: Huaihua Chenzhou Electromechanical Co ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-11-16
Anticipated expiration: 2031-03-29

Abstract

The utility model discloses a lifting device for underground operation, which comprises a lifting channel, a lifting cage, a base and a traction assembly; the vertical interval of lateral wall of promotion cage is provided with two and prevents weighing down the pin spacer, the vertical interval of promotion passageway inner wall is provided with a plurality of safety guards, the safety guard includes mount, gag lever post, round pin axle, pendulum needle file and pendulum needle all turn to connect on the round pin axle. When the lifting cage rapidly descends, the anti-falling stop lever at the lower end can firstly press the swing needle and then drive the swing needle seat to rotate along the pin shaft, the swing needle seat cannot be completely reset in the displacement time difference of the two anti-falling stop lever intervals, the anti-falling stop lever at the upper end can be arranged on the swing needle seat, the swing needle seat is limited by the limit rod in the anticlockwise rotation, the falling braking effect is realized, the anti-falling performance is greatly improved, and the life safety of operation personnel can be well guaranteed while property loss is avoided.

Description

Hoisting device for borehole operation

Technical Field

The utility model relates to a relevant equipment field of ore mining, concretely relates to hoisting device is used in borehole operation.

Background

Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and opencast coal mines; when the coal bed is far away from the ground surface, a tunnel is excavated to the underground to mine coal, which is a mineworker coal mine; when the coal bed is very close to the earth surface, the coal is generally excavated by directly stripping the earth surface soil layer, namely an open pit coal mine; the vast majority of coal mines in China belong to underground coal mines, and a lifting device is usually used for lifting materials during underground operation of the coal mines.

Chinese patent with publication number CN201920181818.6 discloses a lifting device for coal mine underground operation, which comprises: the base, the threaded sleeve pipe, the handle bolt, the backup pad, the roof, carry thing board and drive division, the top of base is provided with mounting platform, threaded sleeve pipe interference is connected in the through-hole, handle bolt threaded connection is in threaded sleeve pipe's screw hole, fixed joint ball bearing on the bottom end of handle bolt, the backup pad is rotated and is installed on joint ball bearing, the roof sets up the top at the base, be fixed with two sets of screw rods through the bearing frame between roof and the base, it passes through swivel nut sliding connection between two sets of screw rods to carry the thing board, the drive division sets up on roof and screw rod. The utility model discloses can adapt to the demand in the pit in the colliery better, it is good to promote stability, and the load capacity is big, has promoted work efficiency.

However, the device has no good anti-falling function, and when the motor fails or the traction rope is broken, the lifting cage can drop rapidly, so that casualties and property loss are easily caused.

To the problem, the utility model designs a hoisting device for borehole operation.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

To the above-mentioned shortcoming that prior art exists, the utility model aims at providing a hoisting device for borehole operation to improve holistic anti-falling performance.

Technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a lifting device for underground operation comprises a lifting channel, a lifting cage which slides up and down along the lifting channel, a base arranged at the top of the lifting channel and a traction assembly which is arranged on the base and used for lifting and drawing the lifting cage, wherein an entrance and an exit are formed in the side wall of the lifting channel, and an accommodating cavity with an entrance and an exit door is formed in the lifting cage; the vertical interval of lateral wall of promotion cage is provided with two and prevents weighing down the pin, the vertical interval of inner wall that promotes the passageway and prevent weighing down the pin correspondence is provided with a plurality ofly and prevents weighing down the safety hook that the pin cooperation was used, the safety hook including the fixed mount that sets up at the promotion passageway inner wall of front and back symmetry, span fixed gag lever post and round pin axle, pendulum needle file and the balance staff that sets up between two mounts, the inside installation cavity that is equipped with of pendulum needle file, the balance staff sets up in the installation cavity, pendulum needle file and balance staff all turn to the connection and sell epaxially.

Furthermore, sliding guide is realized between the lifting channel and the lifting cage through a sliding assembly.

Further, the sliding assembly comprises a sliding rail arranged on the inner wall of the lifting channel and a pulley arranged on the side wall of the lifting cage through a connecting shaft, and the pulley is in sliding fit with the sliding rail.

Further, embedded mounting grooves are formed in the side wall of the lifting cage, and the anti-falling stop lever is mounted in the embedded mounting grooves.

Furthermore, the traction assembly comprises a suspension buckle fixed at the top of the lifting cage, a lifting arm fixed on the base, a winding and unwinding drum, a servo motor for driving the winding and unwinding drum to rotate, a fixed pulley arranged on the lifting arm through a lower wheel shaft and a positioning wheel arranged on the lifting arm through an upper wheel shaft, wherein a traction rope is wound on the winding and unwinding drum and penetrates through the positioning wheel and the fixed pulley and then is fixedly connected with the suspension buckle.

Furthermore, the winding and unwinding drum is rotatably connected with the suspension arm through a reel.

Further, a control box is arranged on the base and electrically connected with the servo motor.

Advantageous effects

The utility model provides a hoisting device for borehole operation, pendulum needle seat and pendulum needle and round pin axle cooperation through setting up are used, when operation platform takes place to fall because servo motor became invalid or the haulage rope breaks, the lift cage can descend rapidly along promoting the passageway inside this moment, when tenesmus, the anti-falling pin of lower extreme can push down the pendulum needle earlier and then drive the pendulum needle seat and rotate along the round pin axle, the pendulum needle seat can not reset completely in two displacement time differences of preventing weighing down pin pole interval size this moment, the one end that the round pin axle was kept away from to the pendulum needle seat still is in the below of preventing weighing down the pin pole in the upper end promptly, it can bear or bear the arm on the pendulum needle seat to prevent weighing down the pin pole of upper end, it is spacing that the pendulum needle seat realizes anticlockwise rotation through the gag lever post simultaneously, and then realized the braking action that falls, the anti-falling performance has been improved greatly, can be fine assurance operation personnel's life safety avoids the loss of property simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a structural view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a bottom perspective view of the present invention;

fig. 4 is a half sectional view of the present invention;

fig. 5 is a rear side view of the present invention.

In the figure: 1-base, 2-lifting channel, 201-inlet and outlet, 3-sliding rail, 4-pulley, 5-connecting shaft, 6-lifting cage, 601-containing cavity, 602-embedded installation groove, 7-anti-falling stop lever, 8-fixing frame, 9-limiting rod, 10-pin shaft, 11-swing needle seat, 1101-installation cavity, 12-swing needle, 13-suspension buckle, 14-suspension arm, 15-reel, 16-winding and unwinding drum, 17-traction rope, 18-lower wheel shaft, 19-fixed pulley, 20-upper wheel shaft, 21-positioning wheel, 22-servo motor and 23-control box.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The present invention will be further described with reference to the following examples.

Examples

Referring to fig. 1-5, a lifting device for downhole operation comprises a base 1, a lifting channel 2, a lifting cage 6 and a traction assembly, wherein the lifting channel 2 is arranged at the bottom of the left end of the base, the lifting channel 2 is rectangular, and C-shaped sliding rails 3 are arranged at four corners of the inner side of the lifting channel 2. Referring to fig. 2, the upper and lower ends of the four corners of the lifting cage 6 are provided with pulleys 4 in sliding fit with the corresponding slide rails 3, and the pulleys 4 are connected with the side walls of the lifting cage through connecting shafts 5.

Referring to fig. 4, an embedded installation groove 602 is formed in the right side of the lifting cage 6, two anti-falling blocking rods 7 are vertically arranged at the upper end of the embedded installation groove 602 at intervals, a plurality of anti-falling devices matched with the anti-falling blocking rods 7 are uniformly arranged on the right inner wall of the lifting channel 2 at intervals, each anti-falling device comprises a fixing frame 8, a limiting rod 9, a pin shaft 10, a swing needle seat 11 and a swing needle 12, the fixing frames are symmetrically and fixedly arranged on the right inner wall of the lifting channel 2 in a front-back mode, the limiting rods cross over the upper ends of the left sides of the two fixing frames 8, the pin shaft 10, the swing needle seat 11 and the swing needle 12 are fixedly arranged in the middle of the two fixing frames 8, an installation cavity 1101 is arranged inside the swing needle seat 11, the swing needle 12 is arranged in the installation cavity 1101, and the swing needle seat 11 and the swing needle 12 are both connected to the pin shaft 10.

Referring to fig. 3, the lower end of the right side of the lifting channel 2 is provided with an access port 201, and people or ore can be conveniently conveyed through the access port 201.

Referring to fig. 4, an accommodating chamber 601 is disposed inside the lifting cage 6, and the accommodating chamber 601 is used for transporting ore or operators.

The weight of the lower end of the pendulum needle seat 11 is greater than that of the upper end, so that the pendulum needle seat 11 can be reset under the action of gravity in the swinging process. When the lifting cage 6 is lifted at a low speed, the anti-falling stop lever 7 is in contact with the swing needle 12 but not in contact with the swing needle seat 11; when the lifting cage 6 descends at a high speed, the anti-falling stop lever 7 at the lower end firstly contacts with the swing needle 12 to drive the swing needle seat 11 to rotate around the pin shaft 10, so that the swing needle seat 11 moves around to the lower part of the anti-falling stop lever 7 at the upper end, the upper end surface of the swing needle seat 11 is in contact with the anti-falling stop lever 7 at the upper end, and the limiting effect of the limiting rod 9 is combined (the anti-clockwise rotation of the swing needle seat is limited), so that the lifting cage 6 can have a braking effect when falling rapidly.

Referring to fig. 1 and 5, the traction assembly includes a suspension buckle 13, suspension arms 14, a reel 15, a winding and unwinding drum 16, a traction rope 17, a lower wheel shaft 18, a fixed pulley 19, an upper wheel shaft 20, a positioning wheel 21 and a servo motor 22, the suspension buckle 13 is provided with three parts which are all fixedly connected to the top end of the lifting cage 6, the suspension arms 14 are provided with two parts in front and back, the suspension arms are obliquely arranged, the bottom ends of the suspension arms are fixedly connected to the right end of the base 1, the reel 15 is connected to the lower ends of the two suspension arms 14 in a crossing and rotating manner, the winding and unwinding drum 16 is fixedly sleeved in the middle of the reel 15, the winding and unwinding drum 16 is positioned between the two suspension arms 14, and the traction rope 17 is wound on the winding and unwinding drum 16; the top ends of the two suspension arms 14 respectively cross an upper wheel shaft 20 and a lower wheel shaft 18 from top to bottom, the middle parts of the upper wheel shaft 20 and the lower wheel shaft 18 are respectively and rotatably connected with a positioning wheel 21 and a fixed pulley 19, the traction rope 17 penetrates between the positioning wheel 21 and the fixed pulley 19 and is respectively and slidably connected with the positioning wheel 21 and the fixed pulley 19, and the free end of the traction rope 17 penetrates through and is fixedly connected with the three suspension buckles 13; the front end of the scroll 15 is fixedly connected with the output end of the servo motor 22, the servo motor 22 is electrically connected with a power supply, the scroll 15 and the winding drum 16 are driven by the servo motor 22 to rotate, and then the lifting cage 6 is lifted or released through the traction rope 17.

Base 1 right side still is provided with control box 23, control box 23 electric connection has the power, and control box 23's output electric connection servo motor 22's input conveniently controls the normal operating of whole device through the control box 23 that sets up.

The utility model discloses in, when the device normally used, put through the power of whole device earlier, then whole device can work under the control of control box 23, during work servo motor 22 drives through spool 15 and receive and release reel 16 and rotate, make the haulage rope 17 of coiling on receiving and releasing reel 16 pull or release hoisting cage 6, through the inside holding chamber 601 transportation ore of hoisting cage 6 or operation personnel, and when servo motor 22 became invalid or haulage rope 17 broke off, hoisting cage 6 can fall down rapidly along C type's slide rail 3 through pulley 4 this moment, because the vertical interval in embedded mounting groove 602 has been seted up on hoisting cage 6 right side, embedded mounting groove 602 upper end is provided with two and prevents weighing bar 7, and the vertical interval in hoisting passageway 2 right side inner wall evenly is provided with a plurality of safety hook that cooperate the use with preventing weighing bar 7, the safety hook is including the fixed mount 8 that sets up at hoisting passageway 2 right side inner wall of symmetry around the symmetry, A limiting rod 9 which is fixedly arranged at the upper ends of the left sides of the two fixing frames 8 in a crossing way, a pin shaft 10 which is fixedly arranged at the middle parts of the two fixing frames 8 in a crossing way, a swing needle seat 11 and a swing needle 12, the interior of the pendulum needle seat 11 is provided with a mounting cavity 1101, the pendulum needle 12 is arranged in the mounting cavity 1101, the pendulum needle seat 11 and the pendulum needle 12 are connected on the pin shaft 10, at the moment, the anti-falling stop lever 7 at the lower end firstly presses the pendulum needle 12 down to drive the pendulum needle seat 11 to rotate around the pin shaft 10, at the moment, the pendulum needle seat 11 can not be completely reset within the displacement time difference of the distance between the two anti-falling stop levers 7, namely, one end of the pendulum needle seat 11 far away from the pin shaft 10 is still positioned below the anti-falling stop lever 7 at the upper end, the anti-falling stop lever 7 at the upper end is arranged on the pendulum needle seat 11, and meanwhile, the pendulum needle seat 11 realizes the anticlockwise rotation limiting through the limiting rod 9, and then realized the braking action that falls, can be fine assurance operation personnel's life safety avoids the loss of property simultaneously. In some embodiments, a plurality of limiting rod mounting holes can be formed in different positions of the fixing frame so as to adjust the mounting position of the limiting rod, and thus adjust the rotating limiting angle of the pendulum needle seat, and ensure that the anti-falling stop lever at the upper end can be smoothly arranged on the pendulum needle seat.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A hoisting device for borehole operation, its characterized in that: the lifting device comprises a lifting channel (2), a lifting cage (6) sliding up and down along the lifting channel, a base (1) arranged at the top of the lifting channel and a traction assembly arranged on the base and used for lifting and drawing the lifting cage, wherein an entrance (201) is formed in the side wall of the lifting channel, and an accommodating cavity (601) with an entrance door is formed in the lifting cage; the vertical interval of lateral wall of promotion cage is provided with two and prevents weighing down pin (7), the vertical interval of inner wall that promotes the passageway and prevent weighing down the pin correspondence is provided with a plurality ofly and prevents weighing down the safety hook that the cooperation of weighing down the pin used, the safety hook is including fixed mount (8) that set up at the promotion passageway inner wall of front and back symmetry, spanes fixed gag lever post (9) and round pin axle (10), pendulum needle seat (11) and pendulum needle (12) that set up between two mounts, pendulum needle seat inside is equipped with installation cavity (1101), the pendulum needle sets up in the installation cavity, pendulum needle seat and pendulum needle all turn to connect at the round pin epaxially.

2. A lifting device for downhole operations according to claim 1, wherein: the lifting channel (2) and the lifting cage (6) are slidably guided by a sliding assembly.

3. A lifting device for downhole operations according to claim 2, wherein: the sliding assembly comprises a sliding rail (3) arranged on the inner wall of the lifting channel and a pulley (4) arranged on the side wall of the lifting cage through a connecting shaft (5), and the pulley is in sliding fit with the sliding rail.

4. A lifting device for downhole operations according to claim 3, wherein: embedded mounting groove (602) have been seted up to the hoisting cage lateral wall, prevent weighing down the pin and install in embedded mounting groove.

5. A lifting device for downhole operations according to any of claims 1-4, wherein: the traction assembly comprises a suspension buckle (13) fixed at the top of the lifting cage, a lifting arm (14) fixed on the base, a winding drum (16), a servo motor (22) for driving the winding drum to rotate, a fixed pulley (19) arranged on the lifting arm through a lower wheel shaft (18) and a positioning wheel (21) arranged on the lifting arm through an upper wheel shaft (20), wherein a traction rope (17) is wound on the winding drum and penetrates through the position wheel and the fixed pulley to be fixedly connected with the suspension buckle.

6. A lifting device for downhole operations according to claim 5, wherein: the winding and unwinding drum is in rotary connection with the suspension arm through a reel (15).

7. A lifting device for downhole operations according to claim 6, wherein: the base is provided with a control box (23), and the control box is electrically connected with the servo motor.